diff --git a/src/udx.c b/src/udx.c
index d971611..b497f4f 100644
--- a/src/udx.c
+++ b/src/udx.c
@@ -1767,6 +1767,8 @@ send_stream_packets (udx_socket_t *socket, udx_stream_t *stream) {
 
     if (!pkt || pkt->lost) {
       debug_printf("... not available\n");
+      stream->write_wanted &= ~UDX_STREAM_WRITE_WANT_TLP;
+      return true;
     }
     debug_printf("\n");